{"id":78907,"date":"2020-04-23T01:41:58","date_gmt":"2020-04-22T23:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovan-openssl-1-1-1g-s-ustraneniem-uyazvimosti-svyazannoj-s-tls-1-3"},"modified":"2020-04-23T01:41:58","modified_gmt":"2020-04-22T23:41:58","slug":"opublikovan-openssl-1-1-1g-s-ustraneniem-uyazvimosti-svyazannoj-s-tls-1-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/opublikovan-openssl-1-1-1g-s-ustraneniem-uyazvimosti-svyazannoj-s-tls-1-3","title":{"rendered":"OpenSSL 1.1.1g is uitgebracht met een oplossing voor een kwetsbaarheid met betrekking tot TLS 1.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/openssl-announce@openssl.org\/msg00320.html\">Beschikbaar<\/a><\/noindex> correctieve uitgave van de cryptografische bibliotheek <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openssl.org\">OpenSSL 1.1.1g<\/a><\/noindex>, waarin het probleem is opgelost <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/openssl-announce@openssl.org\/msg00321.html\">kwetsbaarheid<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.openssl.org\/news\/secadv\/20200421.txt\">CVE-2020-1967<\/a><\/noindex>), wat leidt tot een denial-of-service bij het proberen om een TLS 1.3-verbinding tot stand te brengen met een server of client die door een aanvaller wordt beheerd. De kwetsbaarheid heeft een hoog risiconiveau gekregen.<\/p>\n<p> Het probleem doet zich alleen voor in toepassingen die de functie SSL_check_chain() gebruiken en leidt tot een crash van het proces bij onjuist gebruik van de TLS-uitbreiding &#171;signature_algorithms_cert&#187;. In het bijzonder, wanneer er tijdens de verbindingsovereenkomst een niet-ondersteund of onjuist signaal van het algoritme voor digitale handtekeningen binnenkomt, vindt er een dereferentie van een nulpointer plaats en crasht het proces. Het probleem doet zich voor sinds de uitgave van OpenSSL 1.1.1d.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52782\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 OpenSSL 1.1.1g, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2020-1967), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u043e\u0442\u043a\u0430\u0437\u0443 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 \u043f\u0440\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0435 \u0441\u043e\u0433\u043b\u0430\u0441\u043e\u0432\u0430\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 TLS 1.3 \u0441 \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u044b\u043c \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c \u0438\u043b\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u043c. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0432\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u044e SSL_check_chain(), \u0438 \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u043a\u0440\u0430\u0445\u0443 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u043f\u0440\u0438 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 TLS-\u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f &#171;signature_algorithms_cert&#187;. \u0412 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438, \u043f\u0440\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-78907","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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